99962791 has 2 divisors, whose sum is σ = 99962792. Its totient is φ = 99962790.

The previous prime is 99962783. The next prime is 99962801. The reversal of 99962791 is 19726999.

It is a weak prime.

It is an emirp because it is prime and its reverse (19726999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99962791 - 2³ = 99962783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99962711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49981395 + 49981396.

It is an arithmetic number, because the mean of its divisors is an integer number (49981396).

Almost surely, 2^99962791 is an apocalyptic number.

99962791 is a deficient number, since it is larger than the sum of its proper divisors (1).

99962791 is an equidigital number, since it uses as much as digits as its factorization.

99962791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 52.

The square root of 99962791 is about 9998.1393769041. The cubic root of 99962791 is about 464.1013065931.

The spelling of 99962791 in words is "ninety-nine million, nine hundred sixty-two thousand, seven hundred ninety-one".